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Literature summary for 2.4.1.25 extracted from
- Purification and some properties of amylomaltase from Escherichia coli IFO 3806 (1989), Agric. Biol. Chem., 53, 2653-2659.
No PubMed abstract available
Molecular Weight [Da]
| Molecular Weight [Da] | Molecular Weight Maximum [Da] | Comment | Organism |
|---|---|---|---|
| 38000 | - |
1 * 38000 + 1 * 47000, amylomaltase | Stutzerimonas stutzeri |
| 47000 | - |
1 * 38000 + 1 * 47000, amylomaltase | Stutzerimonas stutzeri |
| 71000 | - |
strain ML 308 | Escherichia coli |
| 74000 | - |
- |
Stutzerimonas stutzeri |
| 93000 | - |
SDS-PAGE | Escherichia coli |
| 124000 | - |
strain Ml 30 | Escherichia coli |
Natural Substrates/ Products (Substrates)
| Natural Substrates | Organism | Comment (Nat. Sub.) | Natural Products | Comment (Nat. Pro.) | Rev. | Reac. |
|---|---|---|---|---|---|---|
| maltopentaose + maltopentaose | Escherichia coli | metabolism of starch in the bacterium | maltooligosaccharides | - |
? |  |
| maltopentaose + maltopentaose | Stutzerimonas stutzeri | metabolism of starch in the bacterium | maltooligosaccharides | - |
? | |
| maltopentaose + maltopentaose | Stutzerimonas stutzeri NRRL B3389 | metabolism of starch in the bacterium | maltooligosaccharides | - |
? | |
Organism
| Organism | UniProt | Comment | Textmining |
|---|---|---|---|
| Escherichia coli | - |
Ml 308 | - |
| Escherichia coli | - |
IFO 3806 | - |
| Escherichia coli | - |
- |
- |
| Escherichia coli ML 30 | - |
- |
- |
| Escherichia coli ML 308 | - |
Ml 308 | - |
| Stutzerimonas stutzeri | - |
NRRL B3389 | - |
| Stutzerimonas stutzeri NRRL B3389 | - |
NRRL B3389 | - |
Purification (Commentary)
| Purification (Comment) | Organism |
|---|---|
- |
Escherichia coli |
Substrates and Products (Substrate)
| Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
|---|---|---|---|---|---|---|
| maltodextrin + maltodextrin | - |
Escherichia coli | maltooligosaccharides | - |
? | |
| maltodextrin + maltodextrin | - |
Escherichia coli ML 308 | maltooligosaccharides | - |
? | |
| maltodextrin + maltodextrin | - |
Escherichia coli ML 30 | maltooligosaccharides | - |
? | |
| maltopentaitol | - |
Escherichia coli | maltohexaitol + ? | - |
? | |
| maltopentaitol | - |
Escherichia coli ML 308 | maltohexaitol + ? | - |
? | |
| maltopentaitol | - |
Escherichia coli ML 30 | maltohexaitol + ? | - |
? | |
| maltopentaose + maltopentaose | metabolism of starch in the bacterium | Escherichia coli | maltooligosaccharides | - |
? | |
| maltopentaose + maltopentaose | metabolism of starch in the bacterium | Stutzerimonas stutzeri | maltooligosaccharides | - |
? | |
| maltopentaose + maltopentaose | metabolism of starch in the bacterium | Stutzerimonas stutzeri NRRL B3389 | maltooligosaccharides | - |
? | |
| maltosylsucrose | - |
Escherichia coli | ? | - |
? | |
| maltosylsucrose | - |
Escherichia coli ML 308 | ? | - |
? | |
| maltosylsucrose | - |
Escherichia coli ML 30 | ? | - |
? | |
| maltotetraitol | - |
Escherichia coli | maltopentaitol + ? | - |
? | |
| maltotetraitol | - |
Escherichia coli ML 308 | maltopentaitol + ? | - |
? | |
| maltotetraitol | - |
Escherichia coli ML 30 | maltopentaitol + ? | - |
? | |
| additional information | does not act on maltitol, maltotriitol, glucosylsucrose, isomaltose, panose, isopanose or isomaltosylmaltose, enzyme does not catalyze hydrolytic action on maltotetraitol, maltopentaitol or maltosylsucrose, sorbitol and maltitol are not produced | Escherichia coli | ? | - |
? | |
| additional information | does not act on maltitol, maltotriitol, glucosylsucrose, isomaltose, panose, isopanose or isomaltosylmaltose, enzyme does not catalyze hydrolytic action on maltotetraitol, maltopentaitol or maltosylsucrose, sorbitol and maltitol are not produced | Escherichia coli ML 308 | ? | - |
? | |
| additional information | does not act on maltitol, maltotriitol, glucosylsucrose, isomaltose, panose, isopanose or isomaltosylmaltose, enzyme does not catalyze hydrolytic action on maltotetraitol, maltopentaitol or maltosylsucrose, sorbitol and maltitol are not produced | Escherichia coli ML 30 | ? | - |
? | |
Subunits
| Subunits | Comment | Organism |
|---|---|---|
| dimer | 1 * 38000 + 1 * 47000, amylomaltase | Stutzerimonas stutzeri |
Temperature Optimum [°C]
| Temperature Optimum [°C] | Temperature Optimum Maximum [°C] | Comment | Organism |
|---|---|---|---|
| 35 | - |
- |
Escherichia coli |
Temperature Range [°C]
| Temperature Minimum [°C] | Temperature Maximum [°C] | Comment | Organism |
|---|---|---|---|
| 30 | 55 | - |
Escherichia coli |
Temperature Stability [°C]
| Temperature Stability Minimum [°C] | Temperature Stability Maximum [°C] | Comment | Organism |
|---|---|---|---|
| 45 | - |
stable up to | Escherichia coli |
pH Optimum
| pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
|---|---|---|---|
| 6.5 | - |
- |
Escherichia coli |
pH Range
| pH Minimum | pH Maximum | Comment | Organism |
|---|---|---|---|
| 4 | 9 | - |
Escherichia coli |
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